Advent Announces 100 Geneva® Clients and 100% Growth in New Geneva® Clients Year over Year

Advent Announces 100 Geneva® Clients and 100% Growth in New Geneva® Clients Year over Year

Advent Announces 100 Geneva® Clients and 100% Growth in New Geneva® Clients Year over Year

Strong Momentum in the Fourth Quarter Delivers 10 New Clients

SAN FRANCISCO – February 1, 2007 – Advent Software, Inc. (NASDAQ: ADVS), the leading provider of software and services to the investment management industry, today announced that over 100 clients have purchased Geneva®, Advent’s premier global investment management and accounting platform.

The company added 10 new Geneva® clients during the fourth quarter of 2006 and, for the full year, doubled the number of new Geneva® customers, from 17 in 2005 to 34 in 2006.

“We are very excited about the momentum we see with Geneva®, Advent’s most sophisticated platform for portfolioaccounting,” said Stephanie DiMarco, Advent’s Chief Executive Officer. “As global accounting requirements continue to grow in complexity, more and more firms need a single platform with which they can consolidate systems, simplifyoperations, manage complex instruments, and support rapid growth – and the platform of choice is clearly Geneva®.”

A large, NY-based asset management firm with over $200 billion under management.

"As one of the initial users of the Geneva® platform, we feel Geneva® is a reliable source of portfolio reporting forour prime brokerage clients. Citigroup continues to enhance and improve the use of the application as the breadth ofproduct increases, allowing us to create even more dynamic and robust reporting for our clients,” said Mark Aldorotyfrom Citigroup's Prime Brokerage division.

Geneva®’s clients include many of the largest and most prestigious financial institutions in the world, and worldwide,they manage, custody, or administer over $1.5 trillion in assets.

About AdventAdvent Software, Inc. (www.advent.com), a multi-national firm, has been providing trusted solutions to the world’sleading financial professionals since 1983. Firms in 60 countries use Advent technology and manage investmentstotaling nearly US $14 trillion. Advent’s quality software, data, services and tools enable financial professionalsto improve service and communication to their clients, allowing them to grow their business while controlling costs.Advent is the only financial services software company to be awarded the Support Center Practices certification forbeing a world-class support organization.

Forward-looking StatementsAny forward looking statements included in this press release involve risks and uncertainties that could cause actualresults to differ materially from our expectations. These risks and uncertainties include market acceptance of newproducts, the impact of initiatives by competitors, and other risks detailed in Advent’s filings with the Securitiesand Exchange Commission, including, but not limited to, its annual report on Form 10-K and quarterly reports on Form10-Q, as amended, copies of which may be obtained by contacting Advent Software at 415.645.1787, or by visitingAdvent’s Investor Relations website at www.advent.com.

Advent and Geneva are registered trademarks of Advent Software, Inc. All other company names or marks mentioned herein are those of their respective owners.